| 庄永飞,杨桥材.背压式液压系统改造提高生料立磨
运行稳定性[J].水泥工程,2026,39(2):82-84 |
| 背压式液压系统改造提高生料立磨
运行稳定性 |
| Retrofit of backpressure hydraulic system to enhance operational stability of raw material vertical mill |
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| DOI： |
| 中文关键词: 生料立磨 液压系统 缓振装置 过滤装置 |
| 英文关键词: raw material vertical mill hydraulic system cushioning vibration device filter device |
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| 中文摘要: |
| 针对生料立磨运行中振动超标、电耗高、抬辊时间长及液压系统故障频发等问题，本文研究通过实施背压式液压系统改造，采用二供四辊配置、油缸背压蓄能器缓冲及管路单向过滤装置，显著提升系统缓冲能力与油液清洁度。改造后，立磨振动值降低30%，主电机平均电流减少10 A，实现了节能降耗与稳定运行。本文详细阐述了改造方案、原理及效果，可为类似设备优化提供参考。 |
| 英文摘要: |
| Addressing issues such as excessive vibration, high power consumption, prolonged roller lifting time, and frequent hydraulic system failures during the operation of a raw material vertical mill, this paper investigates a retrofit solution employing a backpressure hydraulic system. The modifications include adopting a two-supply, four-roller configuration, integrating cylinder backpressure accumulators for cushioning, and installing in-line filtration devices in the piping. These improvements significantly enhance the system's buffering capacity and oil cleanliness. Post-retrofit results show a 30% reduction in mill vibration and a 10A decrease in the average main motor current, achieving both energy savings and enhanced operational stability. This paper elaborates on the retrofit, principles, and outcomes, serving as a reference for optimizing similar equipment. |
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